heading

noun7

1. •
   a title that shows what a text, or one part of a text, is about, placed at its start
2. •
   The direction into which a seagoing or airborne vessel's bow is pointing (apparent heading) and/or the direction into which it is actually moving relative to the ground (true heading)
3. •
   A gallery, drift, or adit in a mine, particularly one driving through a solid body of coal or ore; also, the end of a drift or gallery; the vein above a drift.

   • http://undergroundcoal.com.au/fundamentals/01_process.aspx Once access has been gained into the coal seam, workings are developed by mining a series of roadways (or headings). These roadways are tunnels largely, if not totally, within the seam, usually rectangular in shape though on occasions they may have an arched or even circular profile.
4. •
   A strip of material at the hoist end of a flag, used for attaching the flag to its halyard.
5. •
   The end of a stone or brick which is presented outward.
6. •
   Material for the heads of casks, barrels, etc.
7. •
   The extension of a line ruffling above the line of stitch.